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Finding the Fourth Proportional to 74,108.10, 110,834.10 and 62,298.30

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Solution

The fourth proportional to 74,108.10, 110,834.10 and 62,298.30 is: 93,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,108.10 : 110,834.10 = 62,298.30 : x
  2. Step 2: Convert to fraction form
    74,108.10/110,834.10 = 62,298.30/x
  3. Step 3: Cross multiply
    74,108.10x = 110,834.10 × 62,298.30
  4. Step 4: Simplify right side
    74,108.10x = 6,904,776,012.03
  5. Step 5: Solve for x
    x = 6,904,776,012.03/74,108.10
  6. Step 6: Final answer
    x = 93,171.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.